Portion of a dental floss device



FIG. 1 is a perspective view of the portion of a dental floss device embodying the new design;

FIG. 2 is a partial close-up perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top view thereof.

FIGS. 1-8 show portions of a dental floss device handle in broken lines, and FIGS. 1-4 and 7 show a plurality of dome shaped nubs within the claimed portion in phantom lines. The portions shown in phantom lines are for environmental purposes only and form no portion of the claimed design. 

CLAIM The ornamental design for a portion of a dental floss device, as shown and described. 